Tian: Tian refers to the sky, and also refers to nature or nature, and the master of all things.
Dragon: The dragon is a miraculous animal in ancient legends and the largest mythical creature in China. People regard it as the leader of hundreds of scales and even the supreme master of the biological world. Therefore, in the feudal era, dragons were used to symbolize things used by emperors, such as dragon faces and dragon beds, and their descendants were called dragon sons and dragon grandsons.